In 1886, orphaned Irish siblings Mary and Tom arrive in New York City via ocean liner, and quickly find themselves on a wild, cross-country journey aboard a transcontinental 'Orphan Train', where they meet an extraordinary new friend who will change their lives forever.

Rodrigo's life as a child was a noble and happy one, he entered school at a young age. Often he went on adventures with his best friend Sancho and often visited his beloved one Jimena, the daughter of the count of Gormaz. His happiness did not last forever, after the death of the King Fernando, Rodrigo is seen wrapped in a world of plots and conspiracies that to will put an end to the life of Sancho and the consequent coronation of the infant Alfonso. All of a sudden, Rodrigo loses all that that he has acquired, his best friend and the love of its beloved one, and is unjustly exiled to Castile without honor!